Ear-nose-throat medicine sprayer

By improving the structural design of the ENT sprayer and adopting rubber plugs and check valve structures, the problems of the nozzle jam and infection risk are solved, and the labor-saving and convenient spraying of the medicine liquid and the effect of preventing cross-infection is achieved.

CN223082091UActive Publication Date: 2025-07-11武汉市武昌医院
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Patent Information

Application Number
CN202421103639.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-07-11
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing nasal sprayers for ENT departments have problems such as lag and stuttering downward movement and incomplete cleaning and easy infection.

Method used

An otolaryngology sprayer is designed, adopting the first rubber plug and the second rubber plug structure, combining a curved sheet and a check valve, and connecting the disposable nasal tube to the plug connection pipe through a rubber ring to realize pressure injection of the medicine liquid and prevent bacteria from entering. The spraying method is improved by applying light force to install or remove the nasal tube to avoid cross infection.

Benefits of technology

It realizes labor-saving and convenient spraying of the medicinal liquid, avoids nozzle lag and secondary infection, and improves the convenience and safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ear-nose-throat medicine sprayer which comprises a liquid medicine bottle, a first check valve, a round box, an arc-shaped piece, an inserting pipe, a disposable nose pipe, a second check valve, a first rubber plug, a second rubber plug, a rubber ring, a bacteria filtering round piece and a thin hole. The syringe is reasonable in structural design, liquid medicine is prevented from being pressed into the round box during medicine injection, and bacteria can be prevented from entering the syringe due to the fact that the end openings of the fine holes are covered with the bacteria filtering round pieces; the disposable nasal tube can be installed or taken down by slightly applying force outwards or inwards with fingers, cross infection of patients is avoided, liquid medicine in a liquid medicine bottle can be injected into the disposable nasal tube, the effect of spraying medicine into the nasal cavity is achieved, the mode that a traditional medicine sprayer is pressed downwards to inject liquid medicine is changed, and the disposable nasal tube is relatively labor-saving and convenient to use.
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Description

Technical Field

[0001] The utility model relates to an ENT sprayer, belonging to the technical field of medical device applications. Background Art

[0002] Most of the existing nasal sprayers for ENT use the method of pressing the spray tube downward with fingers to inject and spray the liquid medicine. There are problems such as the spray tube getting stuck when moving downward, making the operation relatively laborious and inconvenient, and the spray tube not being cleaned thoroughly, which is likely to cause secondary infection. Therefore, an ENT sprayer is proposed for the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide an ENT sprayer to solve the above problems.

[0004] The utility model realizes the above purpose through the following technical solutions. An ENT sprayer includes a liquid medicine bottle, a first check valve, a round box, an arc-shaped piece, an insertion pipe, a disposable nasal tube, a second check valve, a first rubber plug, a second rubber plug, a rubber ring, a bacterial filtration round piece and a fine hole. Arc-shaped pieces are installed in the arc-shaped window structures on both sides of the annular surface of the round box, and one end of the second check valve and one end of the first check valve are respectively connected and installed at the upper and lower end faces of the round box. The other end of the first check valve is connected to the bottle mouth at the middle position of the liquid medicine bottle. One end of the disposable nasal tube is fixedly inserted with one end of the insertion pipe through the rubber ring, and the other end of the insertion pipe is installed at the port of the other end of the second check valve. The rubber ring is sleeved and fixed on the peripheral annular surface of one end of the insertion pipe.

[0005] Preferably, a fine hole is pierced through the middle position of the first rubber plug, and the fine hole is in a tightly closed state due to the elasticity of the rubber.

[0006] Preferably, a bacterial filtration round piece is bonded to the top surface of the first rubber plug, and the bacterial filtration round piece covers the top orifice of the fine hole.

[0007] Preferably, one end of a drainage tube is installed at the port of the other end of the first check valve, and the port of the other end of the drainage tube is located at the inner bottom of the liquid medicine bottle.

[0008] Preferably, the liquid medicine in the liquid medicine bottle is injected through the needle of a syringe piercing the second rubber plug, and the bottoms of both the second rubber plug and the first rubber plug are located inside the liquid medicine bottle.

[0009] Preferably, the bottom cross-section of the disposable nasal tube and the top cross-section of the insertion pipe are of a T-shaped structure, and the edge of the middle pipe orifice at the top of the insertion pipe is a circular convex edge. A ring groove is formed on the annular surface of the circular convex edge, and the inner bottom of the ring groove is adhesively bonded to the inner annular wall of the rubber ring.

[0010] The beneficial effects of the present utility model are as follows: It can prevent the liquid medicine from being pressed into the round box during injection. At the same time, a bacterial filtration disc is covered at the port of the fine hole to prevent bacteria from entering. The disposable nasal tube can be installed or removed by gently applying force outward or inward with fingers, avoiding cross-infection among patients. It can press the liquid medicine in the liquid medicine bottle into the disposable nasal tube to achieve the effect of spraying medicine into the nasal cavity, changing the traditional way of pressing the liquid medicine downward by the sprayer, and is relatively labor-saving and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0012] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 It is a schematic diagram of the connection structure between the disposable nasal tube and the second check valve of the present utility model;

[0014] Figure 3 It is a schematic diagram of the first rubber plug structure of the present utility model.

[0015] In the figure: 1. Liquid medicine bottle, 2. First check valve, 3. Round box, 4. Arc-shaped piece, 5. Insertion pipe, 6. Disposable nasal tube, 7. Second check valve, 8. First rubber plug, 9. Second rubber plug, 10. Rubber ring, 11. Bacterial filtration disc, 12. Fine hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] In order to make the utility model purpose, features, and advantages of the present utility model more obvious and understandable, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the following described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0017] The following will further illustrate the technical solutions of the present utility model with reference to the drawings and through specific embodiments.

[0018] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0019] Please refer to Figures 1-3 As shown, an ENT sprayer includes a liquid medicine bottle 1, a first check valve 2, a circular box 3, an arc-shaped piece 4, an insertion connecting pipe 5, a disposable nasal tube 6, a second check valve 7, a first rubber plug 8, a second rubber plug 9, a rubber ring 10, a bacterial filtration circular piece 11, and fine holes 12. On the other side of the top of the liquid medicine bottle 1, the first rubber plug 8 and the second rubber plug 9 are alternately installed. Arc-shaped pieces 4 are installed in the arc-shaped window structures on both sides of the circumferential surface of the circular box 3, and one end of the second check valve 7 and one end of the first check valve 2 are respectively connected and communicated to the upper and lower end faces of the circular box 3. The other end of the first check valve 2 is connected to the bottle mouth at the middle position of the liquid medicine bottle 1. One end of the disposable nasal tube 6 is fixedly inserted and connected to one end of the insertion connecting pipe 5 through the rubber ring 10, and the other end of the insertion connecting pipe 5 is installed at the port of the other end of the second check valve 7. The rubber ring 10 is sleeved and fixed on the circumferential surface around the port of one end of the insertion connecting pipe 5.

[0020] A fine hole 12 is pierced through the middle position of the first rubber plug 8, and the fine hole 12 is in a tightly closed state due to rubber elasticity; a bacterial filtration circular piece 11 is adhered to the top surface of the first rubber plug 8, and the bacterial filtration circular piece 11 covers the top orifice of the fine hole 12, achieving the effect of preventing bacteria from entering when the port of the fine hole 12 opened in the exhaust state; one end of a drainage tube is installed at the port of the other end of the first check valve 2, and the port of the other end of the drainage tube is located at the inner bottom of the liquid medicine bottle 1, enabling the liquid medicine to enter the circular box 3 under the suction action through the drainage tube; the liquid medicine in the liquid medicine bottle 1 is injected through the needle of a syringe piercing the second rubber plug 9, and the bottoms of both the second rubber plug 9 and the first rubber plug 8 are located inside the liquid medicine bottle 1. The two rubber plugs can respectively perform exhaust communication and inject liquid medicine through the syringe; the bottom cross-section of the disposable nasal tube 6 and the top cross-section of the insertion connecting pipe 5 are of a T-shaped structure, and the edge of the middle pipe orifice at the top of the insertion connecting pipe 5 is a circumferential convex edge. A ring groove is formed on the circumferential surface of the circumferential convex edge, and the inner circumferential wall of the ring groove is adhesively bonded to the inner circumferential wall of the rubber ring 10, enabling sliding and sealing insertion between the rubber ring 10 and the inner circumferential wall of the orifice of the disposable nasal tube 6.

[0021] When the utility model is in use, the liquid medicine is injected into the liquid medicine bottle 1 through a disposable syringe by piercing the second rubber stopper 9, achieving the effect of multiple uses of the externally added liquid medicine bottle body, which is suitable for clinical use. At the same time, by opening a closed fine hole 12 on the first rubber stopper 8, the air pressure in the liquid medicine bottle 1 can be discharged to keep the internal and external air pressures consistent, avoiding the liquid medicine being pressed into the round box 3 during injection. At the same time, a bacterial filtration disc 11 is covered at the port of the fine hole 12 to prevent bacteria from entering;

[0022] By sliding the T-shaped structure port of the disposable nasal tube 6 over the convex edge port on one side of the insertion tube 5 through the rubber ring 10, the disposable nasal tube 6 can be installed or removed by gently applying force outward or inward with fingers, avoiding cross-infection of patients. Then, by pressing or relaxing the arc-shaped piece 4 on the round box 3 and under the coordinated operation of the first check valve 2 and the second check valve 7, the liquid medicine in the liquid medicine bottle 1 can be injected into the disposable nasal tube 6, achieving the effect of spraying medicine into the nasal cavity, changing the traditional way of pressing the liquid medicine downward by the sprayer for injection, and being relatively labor-saving and convenient.

[0023] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the same elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0024] As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. An ENT sprayer, characterized in that: It includes a liquid medicine bottle (1), a first check valve (2), a round box (3), an arc-shaped piece (4), an insertion pipe (5), a disposable nasal tube (6), a second check valve (7), a first rubber stopper (8), a second rubber stopper (9), a rubber ring (10), a bacterial filtration round piece (11) and a fine hole (12). On the other side of the top of the liquid medicine bottle (1), the first rubber stopper (8) and the second rubber stopper (9) are alternately installed. Arc-shaped pieces (4) are installed in the arc-shaped window structures on both sides of the annular surface of the round box (3), and one end of the second check valve (7) and one end of the first check valve (2) are respectively connected and communicated with the upper and lower end faces of the round box (3). The other end of the first check valve (2) is connected to the bottle mouth at the middle position of the liquid medicine bottle (1). One end of the disposable nasal tube (6) is fixedly inserted and connected to one end of the insertion pipe (5) through the rubber ring (10), and the other end of the insertion pipe (5) is installed at the port of the other end of the second check valve (7). The rubber ring (10) is sleeved and fixed on the annular surface around the port of one end of the insertion pipe (5).

2. The ear, nose and throat sprayer according to claim 1, characterized in that: A fine hole (12) is pierced through the middle position of the first rubber stopper (8), and the fine hole (12) is in a tightly closed state due to rubber elasticity.

3. The ear, nose and throat sprayer according to claim 1, characterized in that: A bacterial filtration round piece (11) is adhesively bonded to the top surface of the first rubber stopper (8), and the bacterial filtration round piece (11) covers the top orifice of the fine hole (12).

4. The ENT sprayer according to claim 1, wherein: One end of a drainage tube is installed at the port of the other end of the first check valve (2), and the port of the other end of the drainage tube is located at the inner bottom of the liquid medicine bottle (1).

5. An ENT sprayer according to claim 1, characterized in that: The liquid medicine in the liquid medicine bottle (1) is injected by piercing the second rubber stopper (9) with the needle of a syringe, and the bottoms of both the second rubber stopper (9) and the first rubber stopper (8) are inside the liquid medicine bottle (1).

6. The ENT sprayer according to claim 1, characterized in that: The bottom cross-section of the disposable nasal tube (6) and the top cross-section of the insertion pipe (5) are of a T-shaped structure, and the edge of the middle pipe orifice at the top of the insertion pipe (5) is an annular convex edge. A ring groove is formed on the annular surface of the annular convex edge, and the inner bottom wall of the ring groove is adhesively bonded to the inner annular wall of the rubber ring (10).